题目内容
设全集U={(x,y)|x,y∈R},A={(x,y)|y-x=1},B={(x,y)|
=1},则(?UB)∩A=______.
| y-2011 |
| x-2010 |
因为B={(x,y)|
=1},所以?UB除去直线y-x=1以外的点,包括(2010,2011),
所以(?UB)∩A={(2010,2011)}
故答案为:{(2010,2011)}.
| y-2011 |
| x-2010 |
所以(?UB)∩A={(2010,2011)}
故答案为:{(2010,2011)}.
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